7.3 Requirements for the installation site
■
Make sure that the roof has sufficient load-bearing capacity and that the roof
frames correspond to the specifications in the design handbook.
■
Position the units according to the system layout. Pay attention to the
orientation of the units to each other and observe the minimum and maximum
distances. Units must not draw in exhaust air from other units as fresh air.
■
All air inlet and air outlet openings must be freely accessible. The supply air jet
must be free to spread out unhindered.
■
The access doors in the roof unit and the access panels in the below-roof unit
must be easily accessible.
■
The Air-Injector must be easily accessible.
■
Clearance of at least 0.9 m is required for maintenance work around the
heating section.
X/2
X
Y
Distance X
min.
m
18
max.
m
36
Mounting height Y
min.
m
5
max.
1)
m
Approx. 9…25
1) The maximum mounting height varies depending on the boundary conditions (for values,
see table of heat outputs or calculation with the 'HK-Select' selection program).
Table 17: Minimum and maximum distances
Roof unit
Roof unit with silencers
Gas boiler attachment
≥
1015
1950
≥
1015
R 996
90°
90°
R 996
≥
1100
≥
1100
1950
R 1045
R 1045
≥
1000
796
Fig. 9: Space requirements for maintenance on the roof (dimensions in mm)
Notice
If side access is not possible, proportionally more space is required for
opening the access doors.
22
RoofVent
®
KG
Operating instructions
Transport and installation
4 220 755-en-00
